Incinerator.



l. B. MCKETTS.

INCINERATOR. APPLHIATlOH HLED MAR.22. m3,

1,137,424 Patented Apr. 27, 3915;

I 2 SHEETS SHHI I Wane/wee J B. RICKETTS.

INCINERATOR.

APPLICATION FILED MAR. 22, 1913. 1,137 424;, Patented Apr. 27, 1915.

2 SHEETS SHEET 24 L /fl I '1 )2 Q/L,/ a/ a; l L

PA.v

JAMES B. RIGKET TS, OF NEW YORK, N. 1., ASSIGNOR TO THE MGHTIYNGALEEQMYANY, OF NEW YORK, N. Y., A CORIORATION OF NEW 03K.

IN CINEEATOR.

Application filed Hatch 22, 19 3 Be it known that I. Jam-1s B.Ricitn'r'ra, a citizen of tha l uited States, residing at the city (itNew York, borough oi Manhattan, county and State ui New Ynrn haveinvented a ('tllfllll new and useful lncineratuiu t whirh the fullmvingis a spncilimtiun.

This invention is an incinerator for destroying refuse of various kinds.more partirularly fur consuming garbage in apart llltfllf houses.h-sitela. dwellings and various other places. although the apparatus isuse lid in huspitals and sanituriums for consuming bandages, sputumrereptavles. ctr.

Among uthur things. lhe invention seeks to rapidly and erunuiuirallyeffect the thorough dnstrurtiun under hygienir cuul'litiuns of variouskinds at ret'usre; t0 consume tl" llOXlmlS vapurs and odors which arisefrom the material during the prawns 0t inrineration; to rullnrt andavaporatr any liquid matter Whirl: may he prweut in the material unders-turaae and treatment, and to savurc orunomy in th new at fuel anddurability in thvv different parts ut the apparatus.

Practical vxpcrieure in the use of domestic incinerators shown that thematerial-supporting elcnwut, initially tor-mm! the grate is liahlv toburn wt in a rmuparatively shurt time. for the reason that the metal (Ifwhich it is CUUIPOFQK! is urdiuaril exposed to thr dirnct action at theiulvnse heat from a Bunsen burner. Further-main it is desir ahle in surhan app: 1'; tin; tn (airplay a dumpiag: grain as distiuganhnd tifllll ashaking grain. for the rear-an that the rcfuse fl:- qucnti i' rumainanwtallir and ulhrr nrn-rmulli atil ln suhstanvvs uhich (*aunut ll! d6-slrvyvd iu the ri-laiiroly short pwrind nl' timQ required to voueaiumthv refuse. so that tilt grate. at'u-r the dvatrurliuu at thv refusa mayhe upvrated tn ilisvhargn therrtrnm surh nnuwmnlmstililo matter as wellas any 'illflll quantity of ashvs whirh may he retained there n.Armrdingzl n an important part (it this iuwutiun is a singlv pivotedgrate. whit-h may; he rotated to aasumv a dumping position fordiwharging thv roaiduv thvrcmi. which grate is vmuztrurlx-d in a uuvalinahnhr tu prruiit th s llama uni-v pr- -iallv from a lhluwu lauur-r. in])2IS through quid grate and \villiwu impinging thr invtal at said itu.\rhvw-hr lhv llama is dlrevlrd ti) art ma upn-u the mruvrial tu havunauniedl as Specification ct Letters Iate. uh.

Serial E30. 756218.

grate prerrluil the ra l'usP from halging upon the hurnnr. "lhn hopperis lmuwd hi; four walls, tau pt mum have tl'wir lua'ei' portions mamatuward the singir ,Qu'ate l'llCll grate harmed by two upwardl extendingWing's and said grate i-apimialiy muuuted in such relation to the hopperthat said wings will caliper-ate respectively uith the downwardlyinrlined part z at the n ppnr \vallsl thus rrsuiting in a simple andnonlpa t organization of parts wherein a inglenu-mher aim-ale In supportl'lu: material in the path of thr ilaniv. tin: rrnm is l'uniaed orinraamh and the grate is h tu diwharge thr rerirlue tlm'it'rmu. lheluithv gram, and rmipemting therewith is a tray inward Whirh is dischargedany liquid present the material upun the grate. lrafnrahly. this tray isph utud. and it is uau-tailwith the grratr in a maunvr U) impart, adumping movement r atrv tray siumitanemasly with tlu diuupirg nuiwuirntof the Urate. 1t :duuiisl 3w :atult l that the tray turns in onedirertiun. and thr gratiin an opp to direction i hvrrhy {ha residueupiru the grate nut disrharflv-il into tlnzlray when the parts ararmlw-d to dump thrm Further Izmir tlue mu'val hr in a alirertion awaytrnul hururr. thus prwluding thfi rulusr 'l'runi he th from lujufdisrhai'ind upun said mu-n01 or nhstruct i tiarti anic openingstlsvrcui".

A t'urtln-r feature of tha iuventiun is the provision of tlues orchanuvis in one wall at the primary rhauihei: pretarahly' the hark Walllllll'iilf. u'hirh lines or (-haniwls nor) the twululd purpose of drainuttvrs fur the thaw at excessive free liquid tram wet garbage, etc, downto the grate. and as updrat't fines for the heated gaurs from thechamber below the grate, so that the heat and gaws will he brought intodirect. ontart with the gal-large or nthcr rul'usv pres- (lit in tinprimary rharnbrr tur thn purpusu of praliniinaril drying sizch garhagn.

Manneetly, the burning ofigzfrbage or other" ondary chamber, air isadmitted "thereto primary combustion chamber from a source independentof the supply to the secondary burner and independent, also, ofthegaseous products of combustion. It is preferred to warm the air,andtnnmx it with gaseous products of .ombustion as the latter flow fromthe hopper, so that the mixed gases and air are admitted to thesecondary chamber and to the secondary burner.

Other features and advantages oi the in vention will appear from thefollowing de tail description.

In the accompanying drawings, I have illustrated one practicalembodiment of the invention, but the construction shown therein is to beunderstood as illustrative, only, and not as defining the limits of theinvention.

Figure 1 is a vertical section taken from front to rear through anincinerator'cmbodying certain features of this invention. the plane ofthe section being indicated by the dotted line l-1 of Fig. 2 looking inthe direction of the arrow. Fig. 2 is a vertical section at right anglesto Fig. 1, or from side to side through the incinerator, and on thedotted line 2-2 of Fig. 1, looking in the direction of the arrow. Fig. 3is a detail view in front elevation, illustrating the air inlets, theheating Hues, and the means for controlling the admission of air to theinterior of the incinerator and below the grate. Fig. 4 is a crosssection, similar to Fig. 2, looking toward the buck wall of theiiminerutor, showing the clninncls or flucs therein. Fig. 3 is uvertical detail section on the line :KJ) of Fig. 4, illustrating a portof the primary chamber with the refuse therein and showing the manner inwhich the heat and gnaw-1 are brought into direct contact with therc'l'lrse. Fig. i is a horiiontil section on the line 6- #3 of Fig. 4.Fig. 7 is a horizontal section nbolit on the plumol' the dotted line7--7 of Fig. 1 with th shouldered iront plate omitted, illustrating therelation oi the burner and the grate.

A designates the outwidc casing. B the which serves in a suitable raisedposition by feet or legs a. The casin is generally rectangular in form,althougi the shape and dimensions may be varied as desired. The frontwall of the casing is provided with a charge opening a which is normallyoloaedbym, hopper door a hinged at a, whereby vfhe hopper door may beopened for the purpose of introducing the material into the receptecleor hopper Bel Fu fi ment, tl eifrr wall of the casing is provided wi 5series of air inlet slots f and with other air inlets g, the purpose 0?which will be presentl described. On the inside of the front wall a isprovided ide flanges f, said flanges supportin an guid? 1g a slide Fhaving slots 7" a pted in one position of the slide to re 'eter withslots f in the casing, The slide may be shifted b move the slots f out01? register with the slots f, thusjcutting off the inflow of air be lowthe burner, but, obviously, this slide may be adjusted to otherpositions for regu lntmg the volume 015 air admitted ,to the lower partof the incinerator. Withinthe casing and parallel to the rear wall athere of is a vertical partition G, the some bein supported at its lowerend in a horizonta flange 5/ fixed within the lower part of the casing.The receptacle or hopper consists of a front wall b, a back: wall b,side walls I), and a crown sheet B, each preferably composed of castmetal. The side walls b are parallel to side walls a of the casing so asto produce intervening ascending air spaces or lines H, and the lowerends of said side walls I) are supported on the flange ?7' fixed withinthe casing. The side walls 1/ join with vertical partition (i and theseside walls are-provided with an inwardly extending flange l)" upon whichrests the lower edge of crown sheet ll. The front wall I) of the hopperor receptacle is joined at its top end to a flange (1 of the dooropening frame or the front wall a. of the casing, uh shown in Fig. l,but the loner part of this front wall 11 is seated within a flange 1)"provided on the inside of null 11, below the burner D. An importantfeature of the invention consists of an offset B provided on the frontwall 7), said ollsct extending horizontally across the front part ofthe. apparatus and at the lower part of the heater. The rear wall I) ofthe hopper or receptacle is inclined at its lower part at b, and theoffsetli of the front wall and the suitable meam to inclined part b ifthe mar downwardly toward emit ntln the grate 0,. whereby 41 matrz isdirected tn'wzird the grate, and any matter present in the material mu-1i its niicl; than Phi; tear vai' in an updraft iizjC l "the lows-r endS") if; the chamber below the i t istnnc pieces; 1: at the:

spat this line ii are tenth r forv: nrz v frnr' G, hernias the V H i ifrom the rear Wall 3')" said i spaced relative t!) the hitiiltS i'wlivrt i i gaseous produ'cts of combustion filming lily wardly tlimughthe flue or duct I will strike against the battles anti be director; in8 tortuous paith.

Grate Q is pwitione-d inii'nmliatriy opening formed h the inclinedmitai') of the front and rear walls 1/ l tivelggnt'thr:receptaclenrhoppm. ml 1 extends across the i...cinter:xtmg pr lrnni unvsiilr wall longitudinal :1 1.0 thev plant if thv is shown as consisting:or l or mni. and Wings saiil jiLF-t in a single piri-r a; MW? of thegrate arr, fr' m the (:vntrn'i hair w and in Jun" tiun to 9210i} 0th llw-\Yii1g5' with SiI m" Th )iiHT win! in pun:

mu? ll iiiflii l S Pull ion ("in Mal tn the hair a when i the nnrmzzlpmitinn shown 11 in fhi: inner portimi. (if the .mw-t'l thu ilzinw slotThe in of the wing 0' occupies such me that it (i068 not support ii-rzhis present in thelnopper, hp mntnineul in the substantially inn (if theg ate are in snch'n a Burner i) that thr flame emai inm 1hr lmrner willpass through i impinging: the ni'etal of tr. but will :Jvt (lirvctly 0nthe, ma- 't 1 i5 siippmtml by the grate. The 2:1");1 iii the Slot ib smhth t the flame 9mm my: 32min the HUHM' will pass through hits in :imanner to act directly upon 1 ll'lrifiiiiil .inii at thn mu: time avoidinjury tn the 22710. iiilli pmlmiging the life and (luraliiliiy of thegrain.

The hiirner nquupivs a horizontal pnsi" to {hr front Wall /1 and belowthe otl sm B2 Sfiii'i offset operating to suhstarr tially hmiso orincnse the hurner against the lmlgment (it any material upon the burner,the grate ro pcrating with the (ifi set B in prrulmling the mfltfilfllruin mining into mutant with thr: burner. The lnlrnvr is shown m hr.ring: :1 mm of flame apertures in the nir iiuiiLlHlItHl plane as theFlame apur V I '11:: wing! of tlw grate. Thia hurnur .l any pi'Qivriwiwitronnml {H .wl tn hr; su 'iplirnl I :1 mixmrv 01 ll, Hill gas; from apipe (1 innr-il P tm'iur y tn the inciiwmtnr. in vii-w u? thw fart thatno no'veltv is rlziimml lilil'i'lt g and that suitable innit m s; 0rmpnr burners may he eniplm't-il in the constrmition of the appar: rm. 1hair not P0l'ibl(it3l9(l it necessary to HHH'L. purtlt'iilurlyilhixtrnte nr rlrficrihe, the inn-11m.

r n he tray i 'msitinned IT/t0! :iiui lwlow the gratn This W'HlMIHtiHQtmfl is tmnniom a which l x .I1iY.)Ii-3 {)llrwalls 71". The Eliiitlfilla little (a but the inclined rings '7' :rv-nn fie generally in azluwiimi l ilii'i-rtinn toward tin, tray 7) that any liq iiv gm'rwnt inthe material will lw from tlm grate 52ml tuwnrtl Said 'mxnrinuirzut Itwill he noted that I dumping: grate and :1 lumping i I mwierrwl to vmplnn Angie anism for iinrmrting (lumpin'); mmv-siirm in thr tray and thegrate it iirsirwi to call Httvlh ht, lmwnwr. that m; upwari turns the E(11W alimothe [my '5 illlEH-f in an op eqtiimi .Vllil'fi f r inutrrizil(K-Stwill in} unwed into an the ashpap L withoutvntering the tray; and,furthermore, the grate is turned in a direction away from the b er, as aresult of which there is no tendency of the ashes to 6 be dischargedupon the burner for obstructing the flame openin thereof. Various fiormsof operating devices may be used, but, as shown, the grate is rovided atone end with s crank-arm k, t e tray is provided 10 with s crank-arm 1:,and to these crankarms are connected links it k',':WhiCl1 links arepivoted at k to a'spindle K. Said spin- *dle extends through, and isslidebly fitted in, on opening provided in the front wall a of easing Aso that the spindle is readily accessible from the outside of theapparatus for the purpose of operetin the grate and the tray. W'hen thespinde occupies the position of Fig. 1 the grate lies across the bottomof the hopper or receptacle so as to support the material therein andthe tray is in a horizontal position below the grate to receive liquidmatter therefrom, but by pulling the spindle outwardly the links areoperated to pull on the crenkerms k k, whereby the grate and the trayare rocked on their pivots, the grate turning toward the right and awayfrom the burner so as to dump the ashes into the ashpen L, whereas "ayis turned to the left so as to discharge any solid matter which may havelodged i u said tray.

The si e wells'b of the hopper or receptucle and. rear artition G areextended up 85 wurdly above t e crown sheet B, the space between saidwalls being closed by a top In which is below the top a of the outercasing. Between; the top m and the crown sheet B is a secondarycombustion chamber M into 40 which the gaseous products of combustion Ifrom the primary chamber B are adapted to flow. said gaseous'products ofcombustion being mixed with air supplied by fines H the bitterdischarging the warm air into the top part of the primary chmnbcr sothat the guscs or fumes and the air will be mixed and flow into thesecondary chamber. The air and gaseous products of combustion aresubjected within the secondary chamber to the flame cn'mnuting from asecondary burncr (l. the some being shown as u horizontal tube extendingfrom front to rear through the chamber M. The burner is provided withno) series oi flame openings 0,

in the respective sides thereof, and to this burner there is connected apipe 0 positioned outside of the apparatus, which pipe is supplied withair and gas or other fuel. The crown shoot ll is shown us having adepression w uml at the respective sides of this depression areapertures '12, said apertures n being below the secondary burner butquite close thereto.

An exit pipe l extends through the top u of the casing and through thetop We of the inside casing, the lower end of said pipe being attachedto the inside top m, as clearly shown.

\Vithin the secondary chamber is a baflle Q which extends below the exitpipe P and To is quite close to the crown sheet B. As shown, the bailleQ extends in two directions beyond the exit pipe, and the secondaryburner O is positioned between the crown sheet and the bnfile. Theupwardly flowing gaseous products of combustion and the preheated airflow through the apertures n in I the crown sheet and through the flameemanating from the apertures 0 in the respective sides of burner O, theeffect of which is to so consume the obiectionable odors present in thegaseous products of combustion. The heat and gaseous products ofcombustion flow in two directions below the baffle Q and thence thegaseous products of combustion '55. flow above the bailie and make theirexit through the pipe P.

In the side walls 6 of the side casing hre slots T which establishcommunication between the fines H and the flue I at the rear'of theprimary chamber B. The air necessary to support combustion at thesecondary burner 0 within the secondary chamber M takes, the followingcourse: The air flows throu h I apertures or slots 9 near the bottom oft 1e outside casing A into the lines H at the re spective sides of theprimary chumliier. The ascending air flows through the slots r in theside walls 1/ of the primary chamber and thence into the fine I directlyat the backof said primary chamber, whenebyihe ascending air is heatedby contact with the walls G I of the lines through which it flows. Theair flows out of the line I through the slots at the top of primarychamber B so that the air is cominingled with the gaseous products ofcombustion.

A feature of the incinerator consists in channels or fines S in one Wallof primary chamber B, preferably the rear Wall (2 thereof. Any desirednumber of these channels may be used, four being shown in Figs. 4 and 6.The channels extend lengthwise of back Wall 5', they are parallel toeach other. and spaced at suitable intervals. As shown. the back wall 0is cast with hollow ribs which extend into the rear flue I, thus leavingthe front surface of the back Wall smooth except Where channels S openthrough said front surf-nee. The channels are quite narrow, and byoccupying vertical positions, there is practically no tendency for smallparticles of garbage, or other rob use, from passing into thechannels-so as to obstruct the 5;! me. The channels extend 12 from thetop edge of back Wall I), iiimig the inclined lower part 7) thereof. andto the line of contnc't between the grate wing: c and the rear wall.Manifestly, any free liquid in the gnrbuge resting in contact with 130the hawk ii, :15 iii Fig a 68? thmugh the uhzmneis X, then, Wing 4",find ii'l'll into tiiv ii.

flaw inn) and 21: the grat s When i1 3 incinr Mm: ii the 2113i vi 1whiiw iii-i: mi"- 5 use. smnv (if the heat and hm t and iii-91w:

mat of mares mini thus 1?. M 111119,- iii; 5 be girviiiiairiiiriiydried.

The operation will he appai'wt from the iureg iingi diy'aufiptimi takenin (tsunmiimi 'iiih the: iugs but H13) no Sfli'tiliilii'hi i asfoiiowsz- The garhag: 01' other ,tii i may be iepua'iiteii from ti intin? 521w tin hopper ergreceptucie P h mm a and duriiping the refusethan l'riai rests upon the inciinei the 11'; i :111, the offset PF and hp-m1 ths in the; iiiateriai ii I by p 'ilih v if the chzunhui some ofthe liqu'u fiiS mid fiimii r n {i impjw; mil

ing imv matter and are vompivtw noniiimtiiiia 1 i in-1i thew may 1111111111 evaporating thq liquid 11 i. 1 .,:ii|s' 4 14; miner-1:1.

t t to til! 0 mini uppi i "1111 hi liiuur Having thus fuiiy dmvri :withe ilfl'filiiiflll, -1 to What 1 i-iziign 1 new 1:111! desire to secureh v- Letters Patent L in an im newton 1i umnhustimi man her 0119 01' thewait, of which ie pmvided x'ithuii'i fiiisvt. in imhi11ntim1 with Ahuman hzii'ing Lime zipm'tules PUbiiiUiHil to direct the flame heyo'mi.Siiid offset and :1 grate pm vidmi ith flame openings the area of whichis such that the 111mm from the bu ner will pass into (iilfilii Contactwith the n'mteriziil resting-upon the grate and without impinging: themetal of the grate.

2. in 1111 incinerator, the combination of :1 combustion ch21 mher thefront Wail 0i" which is prm'id d with horizontal offset extendv y 0'1tht: chamber and at the lower part thernot, a burner substantiallyhoused by the oiisvh and a single dumping grate at the iower nil-ii ofsaid chamber and in the horizg ntai plane of the burner, said grate ithe :i m (humane wimp; the \0 111110 oi gas-m i111: aha: grin-huge 0:,0th l' mathaving flame openings of such area that the flame emanatingfrom the burner will pass thcrcthrough Without impinging the grate.

In an incinerator, a combustion chamber the opposite walls of whichconverge at the lower paits thereof, one of said converging wai' beir ga transverse offset, a burner P0812 ned oelow said oil and a singlepivoted grate provided with up \vaidl y divergin win idapted t reapertivcly contat w th sax diver 'ng walls,

4-. in an ihcinerator, :1 onion chamber thc opposite wells of whichconverge at the lower parts thereof, one of said 091'!- verging wallsbein a transverse ofl'set a burner ositioncd lqw said ofl'set, an asingle p1 voted grate prgvided with upwardly diverging wings adapted torespectively contact with said divergin walls, the win of said gratenearest the urner having ame openings of such area that the flameemamating from the burner will pass therethroulgh without impinging theate.

5. n an incinerator, the com ination of 25 a combustion chamber thefront and rear walls of which converge at the lower parts thereof, aburner positioned substantially forwardly of the converging part of onewall and a single grate embodying upwardly extending wings whichcooperate with the converging parts of said Walls respectively,the W] ofsaid grain nearest the burner having lfiime openings through which areadapted to pass the flame emanating from the burner so as to actdirectly upon the material resting upon the grate.

6. In an incinerator, the combination with a combustion chamber and aburner, of a dumping grate, a dumping tray positioned below the grate,and o crating means connccted to simultaneous y turn the grate in onedirection and the tray in an opposite direction.

7. In an incinerator, the combination with a combustion chamber and aburner, of a single pivoted grate a pivoted tray below said grate, andmeans whereby at one operation the grate is turned in one direction andthe tray is turned in an opposite direction.

8. In an incinerator, the combination with a combustion chamber and aburner, of a pi voted tray, a single pivoted grate provided withinclined wings adapted to drain toward the tray the liquid prcsacnt inthe material resting upon said n x-at", and a slidablc operating mombcronnected to thc grate and the tray for .eizmsl uncousiy dumping the samein opposite directions.

9. In an incinerator, thc combination with a primary chamber. and asecondary chambe! in ('bmnJuniraflon with the primary chamben'througgiian owning in the top of tlmull uhulil wh of a limit-M01 [)OSl 85 tionwithih this chamber and in the path of the gaseous products of combos--tion as the flow from one chair-oer into the other, a p ate incooperative relation to the deflector and forming therewith achamberopen for the flow of gases therethrough and a secondaey bumer positionedin the am bet form by and between said cooperating deflector and plak.

10. In an incinerator, the combination with a primary chamber, and asecondary chambar in communication with the primary chamber through anopening in the top of said rimary chamber. of a deflector positionwithin the secondary chamber and in the path of the gaseous products ofcombustion as they flow from one chamber into the other, a plate incooperative relation to the destruction of matter that can be destroyedby fire having a combustion chamber for the receipt of matter to bedestroyed, a fire chamber connected with said combustion chamber, anexit fine, a duct leading from the fire chamber outside of thecombustion chamber to a point between the material in the combustionchamber and the exit flue, and a plurality of inclined deflectors in thesaid duct.

12. In an incincrator, the combination with a primary combustionchamber, a secondary chamber into which is adapted to flow the fumes andgases arising from the combustion of refuse matter within the primarychamber, and fuel burning means positioned in a space below the primarychamber, of a vertical flue separate from the' primary chamber andforming a bypass for the fumes and gases when the flow thereof isobstructed by solid matter Within the combustion chamber, said verticalflue havin its intake below the 'rimary chamber an its outlet positioneda we the level of the solid material within the primary chamber, meansseparate from the space below the urner for feeding air into saidvertical the whereby additional air is mixed with the fumes and flawsflowing into the secondary chamber, and means for burnin the mixed fumesor gases and the air witiin the secondary chamber.

13. In an incinerator, the combination with a primary combustionchamber, a secondary chamber into which is adapted to flow the fumes andgases arising from the combustion of refuse matter within the primarychamber, and fuel burning means positioned in a space below the primarychamber, of a vertical flue separate from the 5 rimar v chamber andformin a b ass forthe fumes and gases when the flow thereofis obstructedby solid matter within the combustion chamber, said vertical flue havingits intake below the primarychamber and its outlet positioned above thelevel of the solid material within the primary chamber, a gas burnerpositioned within the secondary chamber, and means separate from, thespace below the burner for feedingto the vertical flue additionalatmospheric air in quantities required to support combustion of thefumes and gases within the secondary chamber, said gas burner havingmeans for feeding air and fuel thereto separate from the air supplied tosaidvertical flue.

14. 'In anincinerator, the combination of a primary chamber, a verticalflue having its intake at a point below said chamber and an outlet abovethe level of the solid material adapted to be contained within saidchamber, said vertical flue being separate from the primary chamberandforminga ,by-pass for the fumes and gases when the solid materialvithin said chamber obstructs thefree outflow therefrom of such fumesand gases, a crown sheet to the primary chamber, a baffle positionedabove the crown sheet, said crown sheet and battle producing a secondarychamber and said 'G1'O\ VI1 sheet provided with openings for the freeoutflow of fumes and gases from the primary chamher into the secondarychamber, aburner within the secondary chamber, and means for supplyingadditional external air to supg port combustion of the. fumes and ,gaseswithinthe secondary chamber.

15. In an incinerator, the combination with a primary-chamber, of anupwardly extending flue the intake of'which is below the 1i.pri'marychamber and the'outlet of which is above the level of the solid materialadapted to be contained within said chamber, said flue being so aratefrom said chamber .and producing ay-pass for the fumes and gases whenthe solid'material in said chamber obstructs the free outflow'of suchfumes and gases, a secondary chamber connected with the primary chamberfor the fumes and gases to flow therethrough from'the primary chamberand said-flue, means separate, from the space. below'the primary chamberfor. feeding additional atmospheric-air into the .-"l 6 'e1' part ofsaid upwardlyextending flue wherebythe air so admitted mixeswith thefumes'and gasesfiowing through the flue,

and a burnei' witlrin the secondarychamber. 16,11; ah incinerator, thecombination anthfiahrnnary' chamber, and a burner, ofa pivoted grate, Ia pivoted tray below the aburner', and means for imparting movement tothe grate and the tray so as to dump the materiai on the grate away fromthe burner and to empty material contained in the tray ment of thegrate.

17. In an incinerator, the combinatiouof a primary chamber having anoifset, a pivot-eii grate in substantially the hcrizontal plane of theburner and operating to discharge any residue in a direction away fromthe burner and the offset, a pivoted tray positicned below the grate,and means for operating the tray and grate so as to turnin a directionopposite to the turning move- 1 the tray in an opposite direction to thegrate. V

18. In an, incinerator, the combination with a combustion chamber, of agrate positioned across the bottom of said chamber and pivoted fordumping movement so as to discharge the residue of solid mattersubsequent to incineration, a burner separate from said grate, anda'flue plat-e positioned with in the combustion chamber, near one sidethereof, and forming a by-pass flue separate from the chamber, theintake. of said by pass flue being at a point below the combustionchamber and the outlet therefrom being above the level of the refusematerial within the chamuer so as to provide for thoupflow of fumes andgases outside of the chamber when the interior thereof is ob structed bythe solid materiahsaidfi ie lat being provided with a plurality ofchafinels or ducts which open through that surface of theplate againstwhich the refuse material is adapted to lodge, said channels or ductsproviding for the drainage of free liquid present in the refuse prior toincinerating the solid matter and serving for the free up- (hum of heatand gases into with the solid refuse. .19. In an incinerator, thecombination direct contact with a combustion chamber, of a grate positinned across'the-bottom of said'chamber and pivoted for dumpingmovement '50 as to said grate, and a flue plate positioned with in thecombustion chamber, near one side thereof, and forming a lay-pass flueseparate from the chamber, the intake of said by-pass flue being at apoint below the combustion chamber and the outlet therefrom being abovethcwle-velof the refuse material with- I inthe chamber so as to. providefor the up flow of fumes and gases outside of the chamber when theinterior thereof is obstructed by'the solid naterial, a plurality ofchannels nr'ducts which open through that surface of the-plate againstwhich the refuse material is adapted to lodge, the lower part of saidflue plate being inclined toward the grate for the purpose of drainingthrough the channelsand toward the grate the .free liquid present in therefuse prior to incineration thereof.

20. In an incinerator, the combination with a' primary chamber forcontaining the material to be consumed, and means positurned in a spacebelow said chamber foiburning fuel, of a secondary chamber through whichis adapted to flow the gases from said primary chamber, a flue or duct--blurning fuel, of a secondary chamber il-om is in the path of thegasesflowing through said secondary chamber, said sec-,

through which is adapted to flow the gases from said primary chamber,and a secondary burner positioned within said secondary chamber so thatthe flame emanating thereondary burner having an air supply independentof the air admitted to the primary chamber or the escaping therefrom.

with a material to be consumed, and means positioned in a. spacebelowsaid chamber for burning fuel, of a secondary chamber.

"through which is adapted to flow the gases --from said primary chamber,means for sup-' plying atmospheric air to the gases flowing from theprimary chamber into and through the secondary chamber", and asecondary'bdrner positioned -within; the secondary chamber so'that the flameemanating from said secondary humor willbe in the path of the gasesflowing through the secondary chamber, said secondary "lmmer having anair supply independent'of "the means for supplymg atmospheric air to theing from the primaryichamber lntothe see- I ondary chamber;

23. In an incinerator, the-combination with a primary chamber forcontaining the material to be consumed, and fuel burning moanspositioned in a space below said cham' ber, of a secondary chamberthrough which flows the gases from said primary chamber, 7

means for feeding atmospheric air to the gases flowing from the primarychamber to he secondary chamber, and a secondary burner positionedwithin the secondary chamber, said secondary burner having means-forfeeding fuel thereto an air sup y separate from the air feeding meansto! outwardly figuring gases, whereby an is saidcutwardly flow-i gasessecondary cliam mr an n an incinerator, the combination primary chamberfor containing the mixed air and gases are consumed or burned by theflame emanating from the secondary burner.

24. In an incinerator, the combination with a primary chamber forcontaining the material to be consumed, and fuel burning meanspositioned in a space below said chamber, of a secondary chamberpositioned over and connected directly with the primary chamber for theupwardly flowing gases to pass from one chamber into and through theother, means for feeding atmospheric airinto such upwardly flowin gasesso as to be mixed therewith within t e secondary chamber, a bafilepositioned in the path of the gases flowing from the primary chamberinto the secondary chamber, and a gas burner positioned within thesecondary chamber, said gas burner being provided with an air supplyseparate from the air feeding means to the upwardly flowing L gases.

25. In an incinerator, the combination I with a primary chamber forcontaining the material to be consumed, and fuel burningmeans positionedin a space below said chamber, of a secondary chamter through whichflows the gases from said primary chamber, means for feeding atmosphericair, 1 to the gases flowing from the primary chamher to the secondarychamber, means for preheating the air as itflows to thesecondarychamber, whereby warm air is supplied for admixture with the gaseswithin said secondary chamber, and a secondary burner positioned withinthe secondary chamber, said secondary burner being providedwith meansfor feeding fuel and air thereto separate from the first named fuelburnin means.

26. In an incinerator, the com ination' with a primary chamber forcontaining the material to be consumed, and a secondary chamber throughwhich the gases from the primary chamber are -free to flow, of a gasburner ositioned in a space below the primary chamber, a second gasburner positioned within the secondary chamber, said second'gas burnerhaving means for feeding a air and fuel thereto-separately from the airand fuel supply to the first gas burner,- and separate means for feedingatmospheric air to the gases flowin from the primary chamber to thesecon ary chamber, whereby the gases are mixed with air and subjected tothe flames of the second gas burner L 27. In an incinerator, thecombination with a primary chamber for containing the material to beconsumed. and a secondary which the from the v chamber-three primu'ycha'm rare free to flow, of a burner 'oned in a space below the primaryamberus semnd gas burner 908 1- tioaed within the secondary chambensmdmend gas burner having an air su lyinsiepmdent of the this gas humor,1-.

mutate necting the space below the primary chamber with the secondarychamber so as to produce a by-pass for the gases should the primarychamber be obstructed by the material therein, and means for feedingatmospheric air to the gases flowing out of the primary chamber orthrough said by-pass flue whereby the gases are mixed with the air andare burned within the secondary chamber by the second gas burner.

28. In an incinerator, the combination with a rimary chamber forcontaining the materiai to be consumed, of a secondary chamberpositioned above and connected directly with said primary chamber forthe gases to flow directly into and through said secondary chamber, achambered baflle positioned within the secondary chamber and in the pathof the, gases flowing into the same, a burner incased by said chamberedbafile, said gas burner having means for supplying fuel and air thereto,and means for supplying air to the gases flowing into said secondarychamber.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

JAMES B. RICKETTS.

\Vitnesses H. I. BERNHARD, M. C. RODRIGUEZ.

